follow nvidia gpu temperature

#!/bin/bash
trap "echo; exit" INT # print newline after ctrl-c
previous_minute=99
while true; do
    time=$(date '+%T')
    minute=${time#*:}
    minute=${time%:*}
    if [[ $previous_minute != $minute ]]; then
        previous_minute=$minute
        echo
        echo -n "$time - "
    fi
    gpu_temp=$(nvidia-smi --query-gpu=temperature.gpu --format=csv,noheader --id=0)
    echo -n "${gpu_temp} "
    sleep 2
done